diff options
| author | Eric Dong <eric.dong@intel.com> | 2017-08-02 18:26:43 +0800 |
|---|---|---|
| committer | Eric Dong <eric.dong@intel.com> | 2017-08-07 15:28:12 +0800 |
| commit | 055fa1c6661dfb421568ab73ca6a7e4f723f60de (patch) | |
| tree | cd8ff4dcf57dacf61a8c6de883e327d3114f14ab /QuarkSocPkg | |
| parent | 8853c2afc51c2cab862acbef308f2588264e188b (diff) | |
| download | edk2-055fa1c6661dfb421568ab73ca6a7e4f723f60de.tar.gz edk2-055fa1c6661dfb421568ab73ca6a7e4f723f60de.tar.bz2 edk2-055fa1c6661dfb421568ab73ca6a7e4f723f60de.zip | |
QuarkSocPkg MtrrLib: Enhance get mtrr mask logic.
In order to not use the deprecated macro, refine
get mtrr mask value logic.
Cc: Jeff Fan <jeff.fan@intel.com>
Cc: Ruiyu Ni <ruiyu.ni@intel.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>
Diffstat (limited to 'QuarkSocPkg')
| -rw-r--r-- | QuarkSocPkg/QuarkNorthCluster/Library/MtrrLib/MtrrLib.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/QuarkSocPkg/QuarkNorthCluster/Library/MtrrLib/MtrrLib.c b/QuarkSocPkg/QuarkNorthCluster/Library/MtrrLib/MtrrLib.c index 58d8c0d4c4..2760427554 100644 --- a/QuarkSocPkg/QuarkNorthCluster/Library/MtrrLib/MtrrLib.c +++ b/QuarkSocPkg/QuarkNorthCluster/Library/MtrrLib/MtrrLib.c @@ -1036,13 +1036,12 @@ MtrrLibInitializeMtrrMask ( AsmCpuid (0x80000008, &RegEax, NULL, NULL, NULL);
PhysicalAddressBits = (UINT8) RegEax;
-
- *MtrrValidBitsMask = LShiftU64 (1, PhysicalAddressBits) - 1;
- *MtrrValidAddressMask = *MtrrValidBitsMask & 0xfffffffffffff000ULL;
} else {
- *MtrrValidBitsMask = MTRR_LIB_MSR_VALID_MASK;
- *MtrrValidAddressMask = MTRR_LIB_CACHE_VALID_ADDRESS;
+ PhysicalAddressBits = 36;
}
+
+ *MtrrValidBitsMask = LShiftU64 (1, PhysicalAddressBits) - 1;
+ *MtrrValidAddressMask = *MtrrValidBitsMask & 0xfffffffffffff000ULL;
}
|